Question about Electrical Supplies
Where can I find the throttle on a mz300 engine for my powermate generator?
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Posted on Jan 02, 2017
If the engine will not crank-if it has an electric start, first check the battery and connections to the starter and ground. If the battery is good and the connections are clean and tight, then I would check the ignition switch. If it clicks once when the key is turned to the start position, check for a seized crankshaft (see below) If it does not click, then it could be the starter, solenoid, or the ignition switch. If it has a manual pull start, and it will not pull, check to make sure the crankshaft can turn freely and if not, disconnect the pull starter and check it again-if it turns freely the rope start mechanism is hung up-it must be freed up before you can pull start it. If the crankshaft will not turn at all you probably have a serious problem that will require a major teardown.
Posted on Feb 05, 2009
SOURCE: I have a coleman powermate
Bascially you need to completely remove the old, stale fuel to start with. (you can use the old fuel it in your lawnmower mixed 50:50 with fresh fuel to use it up).
Then once you've drained the fuel tank, you'll have to clean out the carb with a Fuel Injector and Carb cleaner. Really spray the carb till it's soaked, since you've got a schellaced fuel system.
Make sure you remove the air cleaner so you can get the spray into the carb. Also, with the spark plug removed, and the power switch turned "off", so the generator won't try to start during this process. You can also slowly crank the engine with the pull starter, to help work the cleaner through the system.
Then let the unit set for about 10-15 minutes, so the cleaner can evaporate, etc. and then you can reinstall the spark plug.
Now add about 1/2 gallon of fresh fuel and you can try starting the generator. You might have to use some starting fluid to get it started, by carefully spraying it into the carb in very small bursts to keep the motor running
Once it's running smooth, you should always use fresh gas and make sure to add a quality fuel stabilizer, such as Sta-bil, to the gas you use in the generator, as it will keep the fuel system protected for up to 2 years.
I also always turn off the fuel shut-off on my generator to use up the gas in the line before storing it. Also, you should get the generator out at least every 3 months and run it for 15-20 minutes to keep everything working and lubricated, so it will work when you need it.
Just be sure to always add more Sta-bil to your fuel and turn off the fuel shut off and let it run out, before storing.
I've done this with my generators and they're now over 14 years old and always start on the first pull and run like tops!
If you can't get the unit running smoothly, you may have to take it to a small engine service shop for them to do a "tune-up" for you.
Hope you find this Very Helpful and best regards!
Posted on Sep 19, 2009
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